Processor comparison
Intel Core i7-8670T vs Intel Core i5-7640X
Intel
Intel Core i7-8670T
Intel Socket 1151
2300 MHz
6 cores
Sep 2018
DESKTOP
VS
Intel
Intel Core i5-7640X
Intel Socket 2066
3900 MHz
4 cores
Jun 2017
DESKTOP
Summary
Synthetic performance index
- Intel Core i7-8670T104%
- Intel Core i5-7640X100%
Relative performance
Single thread performance index
- Intel Core i7-8670T100%
- Intel Core i5-7640X121%
Relative performance
Multi thread performance index
- Intel Core i7-8670T126%
- Intel Core i5-7640X100%
Relative performance
Reasons to consider the Intel Core i7-8670T
- Much higher multi threaded performance (around 26% higher). This allows for higher performance in professional applications like encoding or heavy multitasking.
- 77 watts lower power draw.
- This is a newer product, it might have better application compatibility/performance (check features chart below).
- Has an integrated GPU, which allows to run the system without a dedicated graphics card, unlike the Intel Core i5-7640X.
Reasons to consider the Intel Core i5-7640X
- Much higher single threaded performance (around 21% higher), makes a noticeable performance difference in gaming and the majority of applications.
Gaming
No clear winner declared
Productivity
HWSpot recommends the Intel Core i7-8670T
Based on productivity benchmarks, overall multithreaded performance and theoretical specifications.
Specifications
Features
| Intel Core i7-8670T | Intel Core i5-7640X |
|---|
| MMX | | |
| SSE | | |
| SSE2 | | |
| SSE3 | | |
| SSSE3 | | |
| SSE4.2 | | |
| AVX | | |
| AVX2 | | |
| EIST | | |
| Intel 64 | | |
| XD bit | | |
| VT-x | | |
| VT-d | | |
| HTT | | |
| AES-NI | | |
| TSX | | |
| TXT | | |
| CLMUL | | |
| FMA3 | | |
| F16C | | |
| BMI1 | | |
| BMI2 | | |
| Boost 2.0 | | |
Architecture
| Intel Core i7-8670T | Intel Core i5-7640X |
|---|
| Architecture | Intel_Coffelake | Intel_Kabylake |
| Market | Desktop | Desktop |
| Memory Support | DDR4 | DDR4 |
| Codename | Coffee Lake | Kaby Lake-X |
| Release Date | Sep 2018 | Jun 2017 |
Cores
| Intel Core i7-8670T | Intel Core i5-7640X |
|---|
| Cores | 6 | 4 |
| Threads | 12 | 4 |
| SMPs | 1 | 1 |
| Integrated Graphics | UHD Graphics 630 | No |
Cache
| Intel Core i7-8670T | Intel Core i5-7640X |
|---|
| L1 Cache | 64 KB (per core) | 64 KB (per core) |
| L2 Cache | 256 KB (per core) | 256 KB (per core) |
| L3 Cache | 12288 KB (shared) | 6144 KB (shared) |
Physical
| Intel Core i7-8670T | Intel Core i5-7640X |
|---|
| Socket | Intel Socket 1151 | Intel Socket 2066 |
| Max Case Temp | 72°C | 72°C |
| Package | FC-LGA1151 | FC-LGA2066 |
| Die Size | unknown | 308mm² |
| Process | 14 nm | 14 nm |
Performance
| Intel Core i7-8670T | Intel Core i5-7640X |
|---|
| Cpu Frequency | 2300 MHz | 3900 MHz |
| Turbo Clock | 3700 MHz | 4300 MHz |
| Base Clock | 100 MHz | 100 MHz |
| Voltage | variable | unknown |
| TDP | 35 W | 112 W |
Raw performance index
Raw single-thread performance estimation
- Intel Core i7-8670T4440 points
- Intel Core i5-7640X5160 points
Points - higher is better
Raw multi-thread performance estimation
- Intel Core i7-8670T19872 points
- Intel Core i5-7640X18720 points
Points - higher is better
Synthetic benchmarks
Cinebench R15 CPU Single 64Bit
- Intel Core i7-8670T (simulated)159.02
- Intel Core i5-7640X (simulated)192.96
points - higher is better
Cinebench R15 CPU Multi 64Bit
- Intel Core i7-8670T (simulated)877.73
- Intel Core i5-7640X (simulated)691.74
points - higher is better